From 2d94df860bec9bf8379f8af773c6986faf0dd2de Mon Sep 17 00:00:00 2001
From: Daan Leijen <daan@microsoft.com>
Date: Mon, 30 Dec 2024 11:44:03 -0800
Subject: [PATCH] fix potentially warning on gcc (pr #935)

---
 src/heap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/heap.c b/src/heap.c
index 7a14c1aa..f856a426 100644
--- a/src/heap.c
+++ b/src/heap.c
@@ -59,7 +59,7 @@ static bool mi_heap_page_is_valid(mi_heap_t* heap, mi_page_queue_t* pq, mi_page_
   MI_UNUSED(pq);
   mi_assert_internal(mi_page_heap(page) == heap);
   mi_segment_t* segment = _mi_page_segment(page);
-  mi_assert_internal(segment->thread_id == heap->thread_id);
+  mi_assert_internal(mi_atomic_load_relaxed(&segment->thread_id) == heap->thread_id);
   mi_assert_expensive(_mi_page_is_valid(page));
   return true;
 }